40025502 has 48 divisors (see below), whose sum is σ = 98122752. Its totient is φ = 12127320.

The previous prime is 40025483. The next prime is 40025519. The reversal of 40025502 is 20552004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1603 + ... + 9089.

It is an arithmetic number, because the mean of its divisors is an integer number (2044224).

Almost surely, 2^40025502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40025502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49061376).

40025502 is an abundant number, since it is smaller than the sum of its proper divisors (58097250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40025502 is a wasteful number, since it uses less digits than its factorization.

40025502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7515 (or 7503 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 40025502 is about 6326.5711092186. The cubic root of 40025502 is about 342.0678535728.

Adding to 40025502 its reverse (20552004), we get a palindrome (60577506).

The spelling of 40025502 in words is "forty million, twenty-five thousand, five hundred two".